683 



segment. The peduncle consists of five segments of which the propor- 

 tions are 1 : 1 : 2 : 2, 7 : 3. The flagellum consists of 18 — 26 joints. 



In the mandible (fig. 4) the acies is long, with three teeth; the la- 

 cinia mobilis reduced and the pars molaris large and prominent. The 

 maxillipedes are long and stout, the third joint of the palp somewhat 

 broader than long, and much larger than the fourth joint. 



The legs are slightly spinous, but almost without setae. The first 



Fiff. 1. 



Fiff. 2. 



Fiff. 3. 



Fig. 1. Cirolana fontis^ dorsal view. 



Terminal Joints of one of the fifth pair of legs. 



Fig. 3. Telson and Uropoda. X 25. 



xl75. 



pair are short and strong prehensile appendages (fig. 5). The second 

 and third pairs are short, slender and equal, the succeeding pairs of 

 increasing length, the last being very long and slender. 



The outer ramus of the first two pairs of pleopoda is narrow and 

 almost rectangular. The uropoda have the rami unequal, the outer one 



45* 



